| Using milk urea nitrogen to predict nitrogen excretion and utilization efficiency in lactating dairy cows JS Jonker, RA Kohn, RA Erdman Journal of dairy science 81 (10), 2681-2692, 1998 | 734 | 1998 |
| Dietary buffering requirements of the lactating dairy cow: a review RA Erdman Journal of Dairy Science 71 (12), 3246-3266, 1988 | 593 | 1988 |
| Lactation persistency: insights from mammary cell proliferation studies AV Capuco, SE Ellis, SA Hale, E Long, RA Erdman, X Zhao, MJ Paape Journal of animal science 81 (15_suppl_3), 18-31, 2003 | 429 | 2003 |
| Mammary lipogenic enzyme activity, trans fatty acids and conjugated linoleic acids are altered in lactating dairy cows fed a milk fat–depressing diet LS Piperova, BB Teter, I Bruckental, J Sampugna, SE Mills, MP Yurawecz, ... The Journal of nutrition 130 (10), 2568-2574, 2000 | 376 | 2000 |
| Effect of dietary forage concentration and buffer addition on duodenal flow of trans-C18: 1 fatty acids and milk fat production in dairy cows KF Kalscheur, BB Teter, LS Piperova, RA Erdman Journal of dairy science 80 (9), 2104-2114, 1997 | 360 | 1997 |
| Peroxisome proliferator-activated receptor-γ activation and long-chain fatty acids alter lipogenic gene networks in bovine mammary epithelial cells to various extents AKG Kadegowda, M Bionaz, LS Piperova, RA Erdman, JJ Loor Journal of Dairy Science 92 (9), 4276-4289, 2009 | 341 | 2009 |
| Duodenal and milk trans octadecenoic acid and conjugated linoleic acid (CLA) isomers indicate that postabsorptive synthesis is the predominant source of cis-9-containing CLA in … LS Piperova, J Sampugna, BB Teter, KF Kalscheur, MP Yurawecz, Y Ku, ... The Journal of nutrition 132 (6), 1235-1241, 2002 | 339 | 2002 |
| Fixed yield responses to increased milking frequency RA Erdman, M Varner Journal of dairy science 78 (5), 1199-1203, 1995 | 327 | 1995 |
| Factors affecting body tissue mobilization in early lactation dairy cows. 1. Effect of dietary protein on mobilization of body fat and protein MVS Komaragiri, RA Erdman Journal of dairy science 80 (5), 929-937, 1997 | 266 | 1997 |
| Evaluation of models to estimate urinary nitrogen and expected milk urea nitrogen RA Kohn, KF Kalscheur, E Russek-Cohen Journal of dairy science 85 (1), 227-233, 2002 | 261 | 2002 |
| Milk urea nitrogen target concentrations for lactating dairy cows fed according to National Research Council recommendations JS Jonker, RA Kohn, RA Erdman Journal of Dairy Science 82 (6), 1261-1273, 1999 | 261 | 1999 |
| Dietary sodium bicarbonate and magnesium oxide for early postpartum lactating dairy cows: effects of production, acid-based metabolism, and digestion RA Erdman, RW Hemken, LS Bull Journal of Dairy Science 65 (5), 712-731, 1982 | 258 | 1982 |
| Milk yield and mammary growth effects due to increased milking frequency during early lactation SA Hale, AV Capuco, RA Erdman Journal of dairy science 86 (6), 2061-2071, 2003 | 253 | 2003 |
| Performance, ruminal fermentation, and site of starch digestion in early lactation cows fed corn grain harvested and processed differently KF Knowlton, BP Glenn, RA Erdman Journal of Dairy Science 81 (7), 1972-1984, 1998 | 231 | 1998 |
| Dairy herd management practices that impact nitrogen utilization efficiency JS Jonker, RA Kohn, J High Journal of dairy science 85 (5), 1218-1226, 2002 | 218 | 2002 |
| Effect of dietary sodium bicarbonate and magnesium oxide on production and physiology in early lactation RA Erdman, RL Botts, RW Hemken, LS Bull Journal of Dairy Science 63 (6), 923-930, 1980 | 198 | 1980 |
| Effect of fat source on duodenal flow of trans-C18: 1 fatty acids and milk fat production in dairy cows KF Kalscheur, BB Teter, LS Piperova, RA Erdman Journal of Dairy Science 80 (9), 2115-2126, 1997 | 196 | 1997 |
| Effect of rumen ammonia concentration on in situ rate and extent of digestion of feedstuffs RA Erdman, GH Proctor, JH Vandersall Journal of Dairy Science 69 (9), 2312-2320, 1986 | 193 | 1986 |
| Effects of dietary crude protein concentration and degradability on milk production responses of early, mid, and late lactation dairy cows KF Kalscheur, JH Vandersall, RA Erdman, RA Kohn, E Russek-Cohen Journal of Dairy Science 82 (3), 545-554, 1999 | 179 | 1999 |
| Milk fat yield and composition during abomasal infusion of cis or trans octadecenoates in Holstein cows PJ Gaynor, RA Erdman, BB Teter, J Sampugna, AV Capuco, DR Waldo, ... Journal of Dairy Science 77 (1), 157-165, 1994 | 178 | 1994 |
Richard A. KohnUniversity of MarylandVerified email at umd.edu